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A spraying device for eliminating harmful algal blooms

A technology of spraying device and agent, applied in spraying device, liquid spraying device, special treatment target and other directions, can solve the problems of low operation efficiency, poor equipment versatility, greatly increased viscosity coefficient in contact with water, etc., to improve operation efficiency and structure. Simple, cost-effective effects

Active Publication Date: 2021-01-29
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, harmful algal blooms that are more harmful have mostly appeared in waters that are closely related to human activities, such as fjords with shallow water and complex scenes, shallow ponds, breeding areas, and bathing places. There is still a lack of portable, High-efficiency, flexible control algaecide special spraying device
[0004] Modified clay has the characteristics of high bulk coefficient and high viscosity coefficient increase when encountering water. The single traditional fluidized bed transportation technology is often unable to complete the mechanical transportation of this material.
Moreover, the existing equipment either has a complex structure and a heavy body for the pursuit of mechanized operations; or simply borrows spraying devices such as pesticide sprayers for the pursuit of simplicity, or uses manual operations, so the equipment has poor versatility and low operating efficiency. Suitable for application of modified clay powder

Method used

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  • A spraying device for eliminating harmful algal blooms
  • A spraying device for eliminating harmful algal blooms
  • A spraying device for eliminating harmful algal blooms

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as Figure 2-3 As shown, the feed port 11 of the negative pressure feed pipe is in the shape of a slit flat mouth, and multiple groups of feed valve outlets 12 are preferably arranged diagonally on the dial valve 8, and each feed valve outlet 12 is a five-sided shaped structure. By rotating the dial valve 8, one group of dial valve discharge ports 12 can be made to correspond to the negative pressure feed pipe feed port 11.

Embodiment 2

[0040] Such as Figure 4-5As shown, the feed port 11 of the negative pressure feed pipe is a symmetrical triangular structure, and the dial valve 8 is symmetrically provided with multiple sets of triangular-shaped feed valve outlets 12, and one of them can be made by rotating the dial valve 8. The discharge port 12 of the dial valve corresponds to the feed port 11 of the negative pressure feed pipe. The quantity of the material outlet 12 of the dial valve can be adjusted according to the feed demand.

[0041] Modified clay has the characteristics of high bulk coefficient and high viscosity coefficient increase when encountering water. The single traditional fluidized bed transportation technology is often unable to complete the mechanized transportation of the material. Existing special equipment for the elimination of harmful algal blooms is either complicated in structure and bulky in pursuit of mechanization; or simply borrows spraying devices such as pesticide sprayers in...

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Abstract

The invention belongs to the technical field of harmful algal bloom control, in particular to a spraying device for eliminating harmful algal bloom. It includes a hopper, a Venturi jet tube, a material stirring device and a negative pressure feeding pipe, wherein the bottom of the hopper communicates with the throat of the Venturi jet tube through a negative pressure feeding tube, and the material stirring device is set in the hopper for The medicine in the hopper is stirred, and a hydraulic vibrator is arranged on the side wall of the hopper. The invention overcomes the limitation of the applicability of supporting equipment due to the change of material properties of the harmful algae bloom eliminating agent such as modified clay, and has simple structure, convenient operation, high versatility, improved operation efficiency, and is especially suitable for the application of modified clay powder.

Description

technical field [0001] The invention belongs to the technical field of harmful algal bloom control, in particular to a spraying device for eliminating harmful algal bloom. Background technique [0002] Microalgae-type harmful algal blooms are also called "water blooms" when they appear in rivers and lakes, and they are also called "red tides" when they appear in estuaries and offshore seas. Or abnormal water color caused by abnormal proliferation or aggregation of several planktonic microalgae. In recent years, the phenomenon of harmful algal blooms has become an ecological disaster that seriously endangers water resources. It will not only endanger water-related production activities, but may also damage aquatic ecological security and endanger human health. In order to mitigate the impact of harmful algal blooms, practical control measures are urgently needed. [0003] Wet spraying is the most practical application method of modified clay so far, that is, when harmful al...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B9/03B05B15/25B05B12/14B05B12/00C02F1/00
CPCB05B9/03B05B12/00B05B12/1409B05B12/1418B05B15/25C02F1/00C02F2303/20
Inventor 曹西华俞志明
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI